what is pl to pl in fire alarm system?
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i have one air blow heater , coiled heater is in side hollow ceramic tube and passing the air and other end hot air is going out, to control the hot air where i should fix up a THERMOCOUPLE on the heater or on the out let of hot air terminal which is the best way
any body tell me why 4-20 ma use as a current any reason for this amount why not 3-25 ma?
What is a plant layout?
how do you adjust pump impeller clearance?
How do you estimate the fuel /diesel consumption for 125KVA DG Set?
what is difference between plc and rtu?
I want to know about a good liquid scrubber that we can use in acid washing.
how the calculation of faut current level
how to controlTemperature
what is the full form of pisg
What is the purpose of departmental classification?
How capacitor bank can prove superior to synchronous condensers with respect to power factor correction?
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